Which of the Following Is an Accurate Statement Regarding the Organization

question 7

Multiple Choice

Which of the following is an accurate statement regarding the organization of motor neurons and muscle fibers?

• A) Multiple motor neurons synapse with each muscle fiber
• B) A motor unit is the set of motor neurons that innervate a single muscle fiber
• C) Each motor neuron synapses with only a single muscle fiber
• D) None of the above are accurate statements

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Definitions:

Aromatic Ring

A cyclic (ring-shaped) group of atoms that exhibits stability due to the delocalization of pi electrons across all the ring atoms, common in many organic compounds.

O,p-director

Groups in aromatic chemistry that direct electrophilic substitution reactions to the ortho and para positions.

Mechanism

A detailed description of the step-by-step process by which chemical reactions occur, including the breaking and forming of bonds.

Aromatic Ring

A stable ring-shaped molecule made up of alternating single and double bonds, common in many organic compounds.